Control Factors and Diversities of Phase State of Oil and Gas Pools in the Kuqa Petroleum System

查看全文 作　　者：CHEN [1,2,3,4]Ling;ZHU [2]Guangyou;ZHANG [2]Bin;WEN [1]Zhigang;WANG [4]Yonggang

机构地区：[1]Yangtze University,Jingzhou,Hubei 434023,China;[2]PetroChina Research Institute of Petroleum Exploration and Development,Beijing 100083,China;[3]No.2 Production Plant ofJiangsu Oilfield Company,Yangzhou 225000,China;[4]Shanghai Branch of China National Offshore Oil Corporation Ltd.,Shanghai 200030,China

出　　处：《Acta Geologica Sinica(English Edition)》索引2012年第86卷第2期,共13页

基　　金：supported by the Tarim Oil Field Research Institute;National Natural Science Foundation (sanctified number:40602016);National Key Basic Research and Development Projects (Itemnumber:113404GJ0003) 摘　　要：Based on the analysis of the hydrocarbon geochemical characteristics in the Kuqa petroleum system of the Tarim Basin,this study discusses the causes and controlling factors of the phase diversities and their differences in geochemical features.According to the characteristics and differences in oil and gas phase,the petroleum system can be divided into five categories:oil reservoir,wet gas reservoir,condensate gas-rich reservoir,condensate gas-poor reservoir and dry gas reservoir.The causes for the diversities in oil and gas phases include diversities of the sources of parent material,maturity of natural gas and the process of hydrocarbon accumulation of different hydrocarbon phases.On the whole,the Jurassic and Triassic terrestrial source rocks are the main sources for the hydrocarbon in the Kuqa Depression.The small differences in parent material may cause diversities in oil and gas amount,but the impact is small.The differences in oil and gas phase are mainly affected by maturity and the accumulation process,which closely relates with each other.Oil and gas at different thermal evolution stage can be captured in different accumulation process. 关键词：库车油气系统控制因素油气藏多样性地球化学特征相态积累过程凝析气藏

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Control Factors and Diversities of Phase State of Oil and Gas Pools in the Kuqa Petroleum System

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耦合文献(696)

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